#63ABE4#63ABE4

#63ABE4 is a light, moderate cyan. Relative luminance 0.374; OKLCH L 71.7% C 0.111 H 244.1°. Best body text is #000000 at 8.48:1 contrast (WCAG AA passes).

Color values

HEX	#63ABE4
RGB	rgb(99, 171, 228)
HSL	hsl(207, 70%, 64%)
HSV	hsv(207, 57%, 89%)
CMYK	cmyk(56.6%, 25%, 0%, 10.6%)
CIE-LAB	lab(67.56, -6.25, -35.51)
CIE-LCH	lch(67.56, 36.06, 260.01°)
OKLab	oklab(71.73% -0.0483 -0.0996)
OKLCH	oklch(71.73% 0.111 244.1)
XYZ	xyz(33.7070, 37.3769, 78.8219)
Luminance	0.3738 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#63ABE4 #E49C63

analogous

#63E4DD #63ABE4 #636BE4

triadic

#63ABE4 #E463AB #ABE463

tetradic

#63ABE4 #DD63E4 #E49C63 #6BE463

square

#63ABE4 #DD63E4 #E49C63 #6BE463

split-complementary

#63ABE4 #E4636B #E4DD63

monochromatic

#1E6FAE #2F8FDB #63ABE4 #97C7ED #CBE3F6

Accessibility & contrast

On white

2.48

#63ABE4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.48

#63ABE4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #63ABE4

8.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##63ABE4	#FFFFFF	#000000	##000000
##63ABE4	1.00	2.48	8.48	8.48
#FFFFFF	2.48	1.00	21.00	21.00
#000000	8.48	21.00	1.00	1.00
##000000	8.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#92ACE7

Deuteranopia (green-blind)

#819FE3

Tritanopia (blue-blind)

#00B9BE

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #63abe4;
/* rgb */ color: rgb(99, 171, 228);
/* oklch */ color: oklch(71.7% 0.111 244.1);

Tailwind

colors: {
  custom: {
    50: '#98c3ec',
    500: '#63abe4',
    950: '#000000',
  },
}

SCSS

$custom: #63abe4;
$custom-light: #98c3ec;
$custom-dark: #000000;

JSON

{
  "hex": "#63abe4",
  "rgb": {
    "r": 99,
    "g": 171,
    "b": 228
  },
  "hsl": {
    "h": 206.512,
    "s": 70.492,
    "l": 64.118
  },
  "oklch": {
    "l": 0.71726,
    "c": 0.11068,
    "h": 244.1
  },
  "luminance": 0.3738
}

Semantic roles & 50–950 ramp

primary

#63ABE4

secondary

#E8CFBB

accent

#6813D3

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0F1216

muted

#7E8184

Preview Lab

Preview with #63ABE4

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →